*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --text:    #1a1a1a;
  --muted:   #555;
  --faint:   #999;
  --border:  #ddd;
  --light:   #f0f0f0;
  --accent:  #2255aa;
  --accenth: #1a3d7a;
  --bg:      #fff;
  --card:    #f9f9f9;
  --tagbg:   #eef2fa;
  --r:       5px;
  /* Research direction colors */
  --color-rp: #5a3a7a;  /* plum */
  --color-ra: #2e7d4c;  /* forest green */
  --color-re: #8a3a4a;  /* burgundy */
}

.tag-rp, .tag-ra, .tag-re { font-weight: 700; }
.tag-rp { color: var(--color-rp); }
.tag-ra { color: var(--color-ra); }
.tag-re { color: var(--color-re); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  padding: 3rem 1.5rem 6rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--accenth); }

.page { max-width: 860px; margin: 0 auto; }

/* ── NAV ──────────────────────────────────────────── */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.2rem;
  font-size: 0.88rem;
  margin-bottom: 2.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}
.site-nav a {
  color: var(--muted);
  padding: 0.15rem 0;
}
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.site-nav a.active {
  color: var(--accent);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
}

/* ── HEADER ────────────────────────────────────────── */
.header {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}
.header .role { font-size: 0.88rem; color: var(--muted); margin-bottom: 1rem; }
.header p { font-size: 15px; margin-bottom: 0.6rem; color: #333; }
.links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; margin-top: 1rem; font-size: 0.88rem; }
.links span { color: var(--border); }
.photo-wrap img {
  width: 180px; height: 180px; border-radius: 50%;
  object-fit: cover; display: block; border: 2px solid var(--border);
}

/* ── SECTIONS ──────────────────────────────────────── */
section { margin-bottom: 3rem; }
.section-title {
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 1.1rem; padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

/* ── NEWS ──────────────────────────────────────────── */
.news-list { list-style: none; }
.news-list li {
  display: grid; grid-template-columns: 5.2rem 1fr;
  gap: 0.75rem; padding: 0.4rem 0;
  border-bottom: 1px solid var(--light); font-size: 14.5px; align-items: baseline;
}
.news-list li:last-child { border-bottom: none; }
.news-date { font-size: 0.78rem; color: var(--faint); }

/* ── RESEARCH ──────────────────────────────────────── */
.research-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0.85rem; }
.research-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--r); padding: 1.1rem 1.1rem 0.9rem;
  cursor: pointer; transition: border-color 0.15s, background 0.15s; user-select: none;
}
.research-card:hover { border-color: var(--accent); background: #f3f6fd; }
.research-card.active { border-color: var(--accent); background: var(--tagbg); }
.research-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.35rem; line-height: 1.35; }
.research-card p  { font-size: 13px; color: var(--muted); line-height: 1.55; }
.rc-count {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  background: #e0e8f8; color: var(--accent);
  padding: 0.1rem 0.45rem; border-radius: 100px; margin-top: 0.6rem;
}
.research-card.active .rc-count { background: var(--accent); color: #fff; }
.research-hint { font-size: 0.8rem; color: var(--faint); margin-top: 0.7rem; font-style: italic; }

/* ── PUBLICATIONS ──────────────────────────────────── */
.pub-controls {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.1rem;
}
.pub-filter-label { font-size: 0.82rem; color: var(--muted); }
.pub-filter-label strong { color: var(--accent); }
.btn-clear {
  font-size: 0.8rem; font-family: inherit; color: var(--accent);
  background: none; border: 1px solid var(--accent); border-radius: 100px;
  padding: 0.2rem 0.75rem; cursor: pointer; display: none;
  transition: background 0.15s, color 0.15s;
}
.btn-clear:hover { background: var(--accent); color: #fff; }
.pub-list { list-style: none; }
.pub {
  display: grid; grid-template-columns: 116px 1fr;
  gap: 1rem; padding: 1rem 0;
  border-bottom: 1px solid var(--light); align-items: start;
  transition: opacity 0.2s;
}
.pub:last-child { border-bottom: none; }
.pub.dimmed { opacity: 0.22; pointer-events: none; }
.pub.extra  { display: none; }
.pub.extra.visible { display: grid; }
.pub-thumb {
  width: 116px; height: 74px; border-radius: var(--r);
  object-fit: cover; display: block; border: 1px solid var(--border);
}
.pub-thumb-placeholder {
  width: 116px; height: 74px; border-radius: var(--r);
  background: var(--card); border: 1px solid var(--border);
}
.pub-title { font-size: 15px; font-weight: 700; line-height: 1.4; margin-bottom: 0.2rem; }
.pub-authors { font-size: 13.5px; color: var(--muted); margin-bottom: 0.2rem; }
.pub-authors strong { color: var(--text); font-weight: 700; }
.pub-venue { font-size: 13px; color: var(--faint); margin-bottom: 0.45rem; }
.pub-badge {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  padding: 0.15rem 0.5rem; border-radius: 100px; margin-right: 0.3rem; margin-bottom: 0.4rem;
}
.badge-oral      { background: #fde8cc; color: #7a3e0a; }
.badge-spotlight { background: #d9ecd2; color: #2a5c1e; }
.badge-preprint  { background: #ece8f8; color: #4a2a9a; }
.badge-workshop  { background: #f0e8e8; color: #7a2a2a; }
.pub-links { display: flex; gap: 0.6rem; flex-wrap: wrap; font-size: 0.8rem; }
.pub-links a { font-weight: 700; }
.show-more-wrap { text-align: center; padding: 1rem 0 0; }
.btn-more {
  font-size: 0.82rem; font-family: inherit; color: var(--accent);
  background: none; border: 1px solid var(--border); border-radius: 100px;
  padding: 0.35rem 1.2rem; cursor: pointer; transition: border-color 0.15s;
}
.btn-more:hover { border-color: var(--accent); }

/* ── SHARED: two-column row (used in Teaching & Grants) */
.row-list { list-style: none; }
.row-list li {
  display: grid; grid-template-columns: 1fr auto;
  gap: 1rem; padding: 0.55rem 0;
  border-bottom: 1px solid var(--light); align-items: baseline;
}
.row-list li:last-child { border-bottom: none; }
.row-year { font-size: 13px; color: var(--faint); white-space: nowrap; }
.row-main { font-weight: 700; }
.row-sub  { font-size: 13px; color: var(--faint); }
.row-role { font-size: 13px; color: var(--muted); margin-left: 0.4rem; }

/* ── SUPERVISION TABLE ────────────────────────────── */
.sup-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.sup-table th {
  text-align: left; padding: 0.4rem 0.5rem 0.4rem 0;
  font-weight: 700; color: var(--muted); font-size: 0.75rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.sup-table th:last-child { padding-right: 0; }
.sup-table td { padding: 0.5rem 0.5rem 0.5rem 0; border-bottom: 1px solid var(--light); vertical-align: top; }
.sup-table td:last-child { padding-right: 0; color: var(--faint); white-space: nowrap; }
.sup-table tr:last-child td { border-bottom: none; }
.sup-role { font-size: 13px; color: var(--muted); }
.sup-note { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.9rem; }

/* ── SERVICE ──────────────────────────────────────── */
.service-label {
  font-weight: 700; font-size: 0.8rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem;
}
.service-block { margin-bottom: 1.3rem; }
.service-block:last-child { margin-bottom: 0; }
.service-inline { font-size: 14.5px; line-height: 1.9; }
.service-ul { list-style: none; font-size: 14.5px; line-height: 2; }

/* ── FOOTER ───────────────────────────────────────── */
footer {
  text-align: center; font-size: 0.78rem; color: var(--faint);
  margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--border);
}

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 580px) {
  .header { grid-template-columns: 1fr; }
  .photo-wrap img { width: 110px; height: 110px; }
  .pub { grid-template-columns: 1fr; }
  .pub-thumb, .pub-thumb-placeholder { display: none; }
  .sup-table td:nth-child(3) { display: none; }
}